Model

Part Number	d - Bore	D - Outer Diameter	B - Width
NA 4900.2RS	10 mm	22 mm	14 mm
NA 4900	10 mm	22 mm	13 mm
NA 4900 RS	10 mm	22 mm	14 mm
NKI 10/20	10 mm	22 mm	20 mm
NKI 10/16	10 mm	22 mm	16 mm
NKI 12/16	12 mm	24 mm	16 mm
NA 4901.2RS	12 mm	24 mm	14 mm
NAO 12x24x13	12 mm	24 mm	13 mm
NKI 12/20	12 mm	24 mm	20 mm
NA 4901	12 mm	24 mm	13 mm
NA 6901	12 mm	24 mm	22 mm
NA 4901 RS	12 mm	24 mm	14 mm
NAO 12x28x12	12 mm	28 mm	12 mm
NA 4902	15 mm	28 mm	13 mm
NKI 15/16	15 mm	27 mm	16 mm
NA 6902	15 mm	28 mm	23 mm
NA 4902 RS	15 mm	28 mm	14 mm
NKIS 15	15 mm	35 mm	20 mm
NKI 15/20	15 mm	27 mm	20 mm
NAO 15x28x13	15 mm	28 mm	13 mm

Part Number